Cassandra Peterson, the actress who garnered a cult phenomenon following
with her goth persona Elvira, Mistress of the Dark, guest stars as the
ominous nurse, Mrs. Campbell, in the new episode, “The Alien Agenda,”
premiering Friday, Feb. 8, at 7:00 p.m. ET/PT on Nickelodeon. In the
episode of Teenage Mutant Ninja Turtles, the Turtles get their first
taste of high school when April’s school project draws Kraang attention.